Resolve ‘Junk Email Validation Error Exchange 2013’ Issue
“I am the Exchange administrator in my business where MS Exchange 2013 server is used in our workstation. Don’t know why but, I am unable to make updates in the configuration settings of Junk email for several employees. I tried OWA as well as the Exchange PowerShell commands for the same but, nothing worked out. In fact, a wrong thing happened in which an employee is not receiving emails in his inbox and instead, getting all the emails in the Junk folder. I tried to make settings as the previous one but, it should ‘Junk email validation error in Exchange 2013.’ I am posting this query on this tech forum with lots of hope that I’ll definitely get a solution over it. Please someone take me out of this hurdle otherwise in no time my service might be at risk!”
When an administrator works with Outlook Web app for managing ‘Block / Allow safe senders’ settings in the Exchange control panel, he or she enables the checkbox of ‘Trust email from my contacts’. This leads to update in the existing configuration settings by clicking on Save button. However, this type of functionality in OWA leads to an error statement – ‘Junk email validation error. Value ’. Therefore, here we came with this post to aware Exchange admins with solution over the Junk folder problem.
Problem Consequences
Imagine the following situations :
- An individual works with Microsoft Outlook in the Exchange server environment.
- The employee appends an incorrect email id or the domain name in the list of Safe Sender, placed under the Junk Email Options. For example – a person appends a mailing address, which is encapsulated with a quotation mark i.e., test@domain.com
- You are trying to hold the rule of Junk email for user’s mailbox by executing ‘Set-MailboxJunkEmailConfiguration’ command via TrustedSendersAndDomains attribute.
If anyone or more of the above conditions are true, an occurrence of the following kind of error statements is sure :
‘Junk Email Validation Error Exchange 2013’ Causes
The reason behind the occurrence of this error is that ‘the Exchange server is unable to validate email address in the trusted sender’s list.’ When the server attempts management of junk email rules, which are saved in the mailbox, validation is impossible to perform by the server. Suppose there are 1,024 email ids stored in Contacts folder. In this case, the limit of the default Safe Sender list exceeds due to which it is causing an error while working.
Error Fixing Solution
The solution to overcoming ‘Junk Email Validation Error in Exchange 2013’ demands an increase in mailbox limit of Safe Sender list. Make use of Set-Mailbox cmdlet together with MaxSafeSenders attribute in the PowerShell window.
1. Launch the Exchange Management Shell on client executing the administrative utilities for the Exchange or on the computer having Exchange Server 2010 / 2013
2. Type a command ‘set-mailbox User@contoso.com -MaxSafeSenders 2048’, and press Enter key for its execution. This will double the MaxSafeSenders list size for the mention mailbox
Conclusion
It is simple to fix ‘Exchange email validation error Exchange 2013’ just by expanding the size of Safe senders list. If you are encountering any problem while resolving this error, feel free to contact us. Our team of Exchange experts will go through your problem and try to troubleshoot it in 1 to 2 business days.
